Which outcome naturally occurs when fluvial sediment deposition obstructs meander necks?

💡 Explanation

Oxbow lakes form because sediment accumulation induces channel avulsion which shortcuts flow, therefore a crescent lake forms rather than increased incision, braiding tendencies, or reduced sinuosity due to gradient shifts. Abandonment results.

• Which outcome is accelerated when ventifact formation exposes weaker layers?
• Which outcome results when decreased sea ice alters Arctic streams?
• Which mechanism causes formation of ventifacts in deserts?
• Which outcome occurs when the rate volcanic outgassing decreases rapidly before pyroclastic eruptions?
• How does mineral availability change when intense rainfall accelerates leaching?
• Which process drives the formation of an arête between two cirques after glacial retreat?